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Advisory Published

CVE-2019-14557: Buffer Overflow

First published: Mon Oct 05 2020(Updated: )

Buffer overflow in BIOS firmware for 8th, 9th, 10th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable elevation of privilege or denial of service via adjacent access.


Affected SoftwareAffected VersionHow to fix
Intel BIOS
Intel Celeron 4205u
Intel Celeron 4305u
Intel Celeron 4305ue
Intel Celeron 5205u
Intel Celeron 5305u
Intel Core I3 8100
Intel Core I3 8100f
Intel Core I3 8100t
Intel Core I3 8300
Intel Core I3 8300t
Intel Core I3 8350k
Intel Core I3 9100
Intel Core I3 9100f
Intel Core I3 9100t
Intel Core I3 9300
Intel Core I3 9300t
Intel Core I3 9320
Intel Core I3 9350k
Intel Core I3 9350kf
Intel Core I5 8400
Intel Core I5 8400t
Intel Core I5 8500
Intel Core I5 8500t
Intel Core I5 8600
Intel Core I5 8600k
Intel Core I5 8600t
Intel Core I5 9400
Intel Core I5 9400f
Intel Core I5 9400t
Intel Core I5 9500
Intel Core I5 9500f
Intel Core I5 9500t
Intel Core I5 9600
Intel Core I5 9600k
Intel Core I5 9600kf
Intel Core I5 9600t
Intel Core I7 1060g7
Intel Core I7 1060ng7
Intel Core I7 1065g7
Intel Core I7 1068ng7
Intel Core I7 8086k
Intel Core I7 8700
Intel Core I7 8700k
Intel Core I7 8700t
Intel Core I7 9700
Intel Core I7 9700f
Intel Core I7 9700k
Intel Core I7 9700kf
Intel Core I7 9700t
Intel Core I9 9900
Intel Core I9 9900k
Intel Core I9 9900kf
Intel Core I9 9900ks
Intel Core I9 9900t

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Frequently Asked Questions

  • What is the vulnerability ID for this buffer overflow in BIOS firmware?

    The vulnerability ID for this buffer overflow in BIOS firmware is CVE-2019-14557.

  • What is the severity level of CVE-2019-14557?

    The severity level of CVE-2019-14557 is high.

  • Which software is affected by this vulnerability?

    The BIOS firmware for 8th, 9th, and 10th Generation Intel Core, and Intel Celeron Processor 4000 & 5000 Series Processors is affected by this vulnerability.

  • What are the potential impacts of this vulnerability?

    The potential impacts of this vulnerability include enabling elevation of privilege or denial of service via adjacent access.

  • Where can I find more information about CVE-2019-14557?

    More information about CVE-2019-14557 can be found at the following reference:


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